Formatted inline. Usually, the text is given special typographic treatment, such as italics, as a clue to the user that this is replaceable text. Often the font used is described in a conventions section at the beginning of the document.

Common attributes and common linking attributes.

any attribute

Any attribute in any other explicit namespace

class

Identifies the nature of the replaceable text

Enumerated values:
“command”	A command
“function”	A function
“option”	An option
“parameter”	A parameter

These elements contain replaceable: abbrev, accel, acronym, address, application, arg, artpagenums, attribution, authorinitials, bibliocoverage, biblioid, bibliomisc, bibliomixed, bibliomset, bibliorelation, bibliosource, bridgehead, buildtarget, caption (db.html.caption), citation, citebiblioid, citetitle, city, classname, classsynopsisinfo, code, command, computeroutput, confdates, confnum, confsponsor, conftitle, constant, contractnum, contractsponsor, contrib, country, database, description, edition, email, emphasis (db._emphasis), emphasis (db.emphasis), entry, enumidentifier, enumitemdescription, enumname, enumvalue, envar, errorcode, errorname, errortext, errortype, exceptionname, fax, filename, firstname, firstterm (db._firstterm), firstterm (db.firstterm), foreignphrase (db._foreignphrase), funcdef, funcparams, funcsynopsisinfo, function, givenname, glosssee, glossseealso, glossterm (db._glossterm), glossterm (db.glossterm), group (db.group), guibutton, guiicon, guilabel, guimenu, guimenuitem, guisubmenu, hardware, holder, honorific, initializer, interfacename, issuenum, jobtitle, keycap, keycode, keysym, label, lineage, lineannotation, link, literal, literallayout, macroname, manvolnum, markup, mathphrase, member, meta (db.meta.content), methodname, modifier, mousebutton, msgaud, msglevel, msgorig, olink, option, optional, orgdiv, orgname, otheraddr, othername, package, pagenums, para, paramdef, parameter, personname, phone, phrase (db._phrase), phrase (db.phrase), pob, postcode, primary, primaryie, productname, productnumber, programlisting, prompt, property, publishername, quote (db._quote), quote (db.quote), refdescriptor, refentrytitle, refmiscinfo, refname, refpurpose, releaseinfo, remark, replaceable, returnvalue, revnumber, revremark, screen, secondary, secondaryie, see, seealso, seealsoie, seeie, seg, segtitle, seriesvolnums, shortaffil, simpara, specializedtemplate, state, street, subscript, subtitle, superscript, surname, symbol, synopsis, synopsisinfo, systemitem, tag, td, template, templatename, term, termdef, tertiary, tertiaryie, th, title, titleabbrev, tocentry, token, trademark, type, typedefname, unionname, uri, userinput, varname, volumenum, wordasword, year.

The following elements occur in replaceable: text, abbrev, acronym, alt, anchor, annotation, biblioref, co, coref, date, emphasis (db._emphasis), firstterm (db._firstterm), footnote, footnoteref, foreignphrase (db._foreignphrase), glossterm (db._glossterm), indexterm (db.indexterm.endofrange), indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange), inlinemediaobject, link, olink, phrase (db._phrase), quote (db._quote), remark, replaceable, subscript, superscript, trademark, wordasword, xref.